//
// Created by shuhongfan on 2021/4/17.
//

#include "stdio.h"
void main(){
    char string[81];
    int i,num=0,word=0;
    char c;
    gets(string);
    for(i=0;(c=string[i]!='\0');i++){
        if(c==' ') word=0;
        else if(word==0){
            word=1;
            num++;
        }
    }
    printf("There are %d words in this line.\n",num);
}